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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 14 |
| 4 | 108 |
| 5 | 932 |
| 6 | 8494 |
| 7 | 80816 |
| 8 | 792834 |
| 9 | 7964766 |
| 10 | 81525244 |
| 11 | 847234316 |
| 12 | 8915840154 |
| 13 | 94819534880 |
| 14 | 1017494297362 |
| 15 | 11003391627478 |
| 16 | 119797392972660 |
| 17 | 1312015757405828 |
| 18 | 14444656015113630 |
| 19 | 159773654937327260 |
| 20 | 1774697222194801818 |
| 21 | 19787293416104986024 |
| 22 | 221379967241156347006 |
| 23 | 2484547366889151931430 |
[1,2,14,108,932,8494,80816,792834,7964766, 81525244,847234316,8915840154,94819534880, 1017494297362,11003391627478,119797392972660, 1312015757405828,14444656015113630, 159773654937327260,1774697222194801818, 19787293416104986024,221379967241156347006, 2484547366889151931430] |